/* =========================================================
   LANDING PROGRAMA TFI / TESIS
   ========================================================= */

.tfi-page { background:#fff; }

/* HERO */
.tfi-hero{
  position:relative;overflow:hidden;padding:84px 0 90px;
  background:
    radial-gradient(circle at 87% 10%,rgba(116,85,158,.16),transparent 28%),
    linear-gradient(180deg,#fff 0%,#f8f6fa 100%);
}
.tfi-hero::after{
  content:"";position:absolute;right:-170px;bottom:-210px;width:470px;height:470px;
  border:1px solid rgba(182,167,209,.26);border-radius:50%;pointer-events:none;
}
.tfi-hero-grid{
  position:relative;z-index:1;display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(350px,.92fr);
  gap:72px;align-items:center;
}
.tfi-back{display:inline-flex;margin-bottom:28px;color:var(--muted);font-size:11px;font-weight:700;}
.tfi-back:hover{color:var(--purple);}
.tfi-hero-status{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px;}
.tfi-hero-status span{color:var(--purple);font-size:11px;font-weight:800;letter-spacing:.12em;}
.tfi-hero-status small{
  padding:5px 8px;border-radius:999px;background:var(--purple-soft);
  color:var(--purple-dark);font-size:9px;font-weight:800;text-transform:uppercase;
}
.tfi-hero h1{max-width:790px;}
.tfi-hero-lead{max-width:700px;margin:0;font-size:18px;}
.tfi-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}

/* SYSTEM */
.tfi-system{
  padding:30px;border:1px solid rgba(182,167,209,.62);border-radius:28px;
  background:linear-gradient(145deg,rgba(236,232,244,.80),rgba(255,255,255,.98));
  box-shadow:0 20px 50px rgba(46,36,90,.08);
}
.tfi-system-top{
  display:flex;justify-content:space-between;gap:18px;margin-bottom:20px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.tfi-system-top span{color:var(--purple-dark);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;}
.tfi-system-top small{color:var(--muted);font-size:10px;}
.tfi-system-flow{display:grid;gap:7px;}
.tfi-system-flow>div{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:13px 0;}
.tfi-system-flow>div>span{color:var(--purple-mid);font-size:13px;font-weight:800;}
.tfi-system-flow strong{display:block;color:var(--purple-dark);font-size:13px;}
.tfi-system-flow small{display:block;margin-top:2px;color:var(--muted);font-size:10px;}
.tfi-system-flow>b{padding-left:17px;color:rgba(116,85,158,.36);font-size:12px;}

/* GENERIC HEADER */
.tfi-section-heading{
  display:grid;grid-template-columns:1fr .75fr;gap:72px;align-items:end;margin-bottom:48px;
}
.tfi-section-heading h2{max-width:740px;margin-bottom:0;}
.tfi-section-heading>p{
  max-width:500px;margin:0 0 8px auto;padding-left:24px;
  border-left:2px solid var(--purple-mid);font-size:14px;
}

/* FOR */
.tfi-for{background:#fff;}
.tfi-for-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.tfi-for-grid article{
  min-height:270px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tfi-for-grid article>span{display:block;margin-bottom:44px;color:var(--purple-mid);font-size:18px;font-weight:800;}
.tfi-for-grid h3{color:var(--purple-dark);font-size:20px;}
.tfi-for-grid p{margin-bottom:0;font-size:12px;}
.tfi-for-accent{background:var(--purple-soft);}

/* JOURNEY */
.tfi-journey{
  background:linear-gradient(180deg,#2e245a 0%,#241c46 100%);color:#fff;
}
.tfi-journey-header{
  display:grid;grid-template-columns:1fr .78fr;gap:72px;align-items:end;margin-bottom:50px;
}
.tfi-journey-header h2{max-width:730px;margin-bottom:0;color:#fff;}
.tfi-journey-header>p{
  max-width:500px;margin:0 0 8px auto;padding-left:24px;
  border-left:2px solid rgba(182,167,209,.55);
  color:rgba(255,255,255,.70);font-size:14px;
}
.tfi-journey-track{border-top:1px solid rgba(255,255,255,.14);}
.tfi-journey-item{
  display:grid;grid-template-columns:65px 1fr;gap:24px;padding:24px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.tfi-journey-item>span{color:#b6a7d1;font-size:18px;font-weight:800;}
.tfi-journey-item strong{display:block;margin-bottom:4px;color:#fff;font-size:15px;}
.tfi-journey-item p{max-width:760px;margin:0;color:rgba(255,255,255,.62);font-size:12px;}

/* CONTENT */
.tfi-content{
  background:linear-gradient(180deg,#f8f6fa 0%,#fff 100%);
}
.tfi-content-layout{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:34px;align-items:start;
}
.tfi-modules{border-top:1px solid var(--line);}
.tfi-module{
  display:grid;grid-template-columns:55px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);
}
.tfi-module span{color:var(--purple-mid);font-size:14px;font-weight:800;}
.tfi-module strong{color:var(--purple-dark);font-size:13px;}
.tfi-annexes{
  padding:28px;border-radius:26px;background:var(--purple-dark);color:#fff;
}
.tfi-annexes-top{display:flex;justify-content:space-between;gap:14px;margin-bottom:28px;}
.tfi-annexes-top span{color:#fff;font-size:28px;font-weight:800;}
.tfi-annexes-top small{color:#b6a7d1;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;}
.tfi-annexes>p{color:rgba(255,255,255,.68);font-size:12px;}
.tfi-annexes-list{margin-top:28px;border-top:1px solid rgba(255,255,255,.13);}
.tfi-annexes-list>div{
  display:grid;grid-template-columns:36px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.13);
}
.tfi-annexes-list span{color:#b6a7d1;font-weight:800;}
.tfi-annexes-list strong{color:#fff;font-size:12px;}

/* INCLUDES */
.tfi-includes{background:#fff;}
.tfi-includes-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.tfi-includes-grid>div{
  min-height:205px;padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tfi-includes-grid span{display:block;margin-bottom:32px;color:var(--purple-mid);font-size:16px;font-weight:800;}
.tfi-includes-grid strong{display:block;margin-bottom:7px;color:var(--purple-dark);font-size:15px;}
.tfi-includes-grid p{margin:0;font-size:11px;}

/* FORMAT */
.tfi-format{
  background:radial-gradient(circle at 88% 15%,rgba(182,167,209,.11),transparent 25%),#17151b;color:#fff;
}
.tfi-format-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:80px;}
.tfi-format-copy h2{color:#fff;}
.tfi-format-copy p{color:rgba(255,255,255,.70);}
.tfi-format-list{border-top:1px solid rgba(255,255,255,.13);}
.tfi-format-list>div{
  display:grid;grid-template-columns:55px 1fr;gap:20px;padding:23px 0;border-bottom:1px solid rgba(255,255,255,.13);
}
.tfi-format-list>div>span{color:#b6a7d1;font-size:17px;font-weight:800;}
.tfi-format-list strong{display:block;margin-bottom:4px;color:#fff;font-size:14px;}
.tfi-format-list p{margin:0;color:rgba(255,255,255,.61);font-size:12px;}

/* COMPARE */
.tfi-compare{background:#fff;}
.tfi-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.tfi-compare-grid article{
  display:flex;min-height:350px;flex-direction:column;padding:30px;border:1px solid var(--line);border-radius:25px;
}
.tfi-compare-featured{
  background:linear-gradient(145deg,rgba(236,232,244,.88),#fff);border-color:rgba(116,85,158,.30)!important;
}
.tfi-compare-label{
  margin-bottom:42px;color:var(--purple);font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
.tfi-compare-grid h3{color:var(--purple-dark);font-size:30px;}
.tfi-compare-grid p{font-size:13px;}
.tfi-compare-grid a{margin-top:auto;color:var(--purple-dark);font-size:12px;font-weight:800;}
.tfi-compare-status{
  align-self:flex-start;margin-top:auto;padding:6px 9px;border-radius:999px;background:var(--purple);
  color:#fff;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
}

/* EXPERIENCE */
.tfi-experience{background:linear-gradient(180deg,#f8f6fa 0%,#fff 100%);}
.tfi-experience-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:76px;align-items:start;}
.tfi-experience-copy{padding-left:26px;border-left:2px solid var(--purple-mid);}
.tfi-experience-copy p{margin-top:0;font-size:14px;}
.tfi-experience-copy p+p{margin-top:15px;}

/* FAQ */
.tfi-faq{background:#fff;}
.tfi-faq-list{max-width:900px;margin-left:auto;}
.tfi-faq details{border-top:1px solid var(--line);}
.tfi-faq details:last-child{border-bottom:1px solid var(--line);}
.tfi-faq summary{
  position:relative;padding:22px 44px 22px 0;color:var(--purple-dark);
  font-size:14px;font-weight:800;cursor:pointer;list-style:none;
}
.tfi-faq summary::-webkit-details-marker{display:none;}
.tfi-faq summary::after{
  content:"+";position:absolute;right:4px;top:18px;color:var(--purple);font-size:22px;font-weight:500;
}
.tfi-faq details[open] summary::after{content:"–";}
.tfi-faq details p{max-width:760px;margin:0;padding:0 0 24px;font-size:13px;}

/* FINAL */
.tfi-final{
  padding:78px 0;background:linear-gradient(135deg,#74559e 0%,#2e245a 100%);color:#fff;
}
.tfi-final-grid{display:grid;grid-template-columns:1fr .7fr;gap:70px;align-items:center;}
.tfi-final h2,.tfi-final p{color:#fff;}
.tfi-final p{max-width:650px;color:rgba(255,255,255,.72);}
.tfi-final-actions{display:flex;flex-direction:column;align-items:flex-start;gap:18px;}
.tfi-final-link{color:#fff;font-size:13px;font-weight:800;}

@media(max-width:1040px){
  .tfi-hero-grid,.tfi-format-grid,.tfi-experience-grid{grid-template-columns:1fr;}
  .tfi-system{max-width:760px;}
  .tfi-for-grid{grid-template-columns:repeat(2,1fr);}
  .tfi-content-layout{grid-template-columns:1fr;}
}
@media(max-width:920px){
  .tfi-section-heading,.tfi-journey-header,.tfi-final-grid{grid-template-columns:1fr;gap:24px;}
  .tfi-section-heading>p,.tfi-journey-header>p{max-width:680px;margin-left:0;}
  .tfi-includes-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:720px){
  .tfi-compare-grid{grid-template-columns:1fr;}
}
@media(max-width:680px){
  .tfi-hero{padding-top:58px;}
  .tfi-for-grid,.tfi-includes-grid{grid-template-columns:1fr;}
  .tfi-for-grid article,.tfi-includes-grid>div{min-height:auto;}
}
@media(max-width:620px){
  .tfi-hero h1{font-size:44px;}
  .tfi-hero-actions{flex-direction:column;align-items:stretch;}
  .tfi-hero-actions .btn{width:100%;}
  .tfi-journey-item,.tfi-format-list>div{grid-template-columns:42px 1fr;}
  .tfi-final-actions{width:100%;}
  .tfi-final-actions .btn{width:100%;}
}


/* =========================================================
   PULIDO TFI v0.2 — recorrido circular + preview + beneficios
   ========================================================= */

.tfi-system {
  min-height: 470px;
}

.tfi-orbit {
  position: relative;
  width: min(100%, 390px);
  aspect-ratio: 1;
  margin: 8px auto 0;
  border: 1px dashed rgba(116, 85, 158, 0.30);
  border-radius: 50%;
}

.tfi-orbit::before,
.tfi-orbit::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(182, 167, 209, 0.32);
  border-radius: 50%;
}

.tfi-orbit::after {
  inset: 31%;
  background: rgba(236, 232, 244, 0.38);
}

.tfi-orbit-center,
.tfi-orbit-node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
}

.tfi-orbit-center {
  left: 50%;
  top: 50%;
  width: 112px;
  height: 112px;
  transform: translate(-50%, -50%);
  background: var(--purple-dark);
  color: #FFFFFF;
  box-shadow: 0 14px 30px rgba(46, 36, 90, 0.18);
}

.tfi-orbit-center strong {
  font-size: 25px;
  line-height: 1;
}

.tfi-orbit-center small {
  color: #D8C8E8;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tfi-orbit-node {
  width: 108px;
  height: 108px;
  padding: 14px;
  border: 1px solid rgba(116, 85, 158, 0.28);
  background: #FFFFFF;
  box-shadow: 0 10px 26px rgba(46, 36, 90, 0.08);
}

.tfi-orbit-node span {
  display: block;
  color: var(--purple-mid);
  font-size: 10px;
  font-weight: 800;
}

.tfi-orbit-node strong {
  color: var(--purple-dark);
  font-size: 11px;
}

.tfi-orbit-node.node-1 { left: 50%; top: -8px; transform: translateX(-50%); }
.tfi-orbit-node.node-2 { right: -8px; top: 50%; transform: translateY(-50%); }
.tfi-orbit-node.node-3 { left: 50%; bottom: -8px; transform: translateX(-50%); }
.tfi-orbit-node.node-4 { left: -8px; top: 50%; transform: translateY(-50%); }

.tfi-annexes-list > div {
  align-items: start;
}

.tfi-annexes-list small {
  display: block;
  margin-top: 4px;
  color: rgba(255,255,255,.58);
  font-size: 9px;
  line-height: 1.45;
}

.tfi-includes-grid {
  grid-template-columns: repeat(4, 1fr);
}

.tfi-preview {
  background: #FFFFFF;
}

.tfi-slide-frame {
  overflow: hidden;
  border: 1px solid rgba(182, 167, 209, 0.52);
  border-radius: 26px;
  background: #F7F5F9;
  box-shadow: 0 20px 55px rgba(46, 36, 90, 0.08);
}

.tfi-slide-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: #FFFFFF;
}

.tfi-slide-toolbar span {
  color: var(--purple-dark);
  font-size: 10px;
  font-weight: 800;
}

.tfi-slide-toolbar small {
  color: var(--muted);
  font-size: 9px;
}

.tfi-slide {
  min-height: 430px;
  padding: 52px;
  background:
    radial-gradient(circle at 92% 10%, rgba(182,167,209,.24), transparent 24%),
    linear-gradient(145deg, #FFFFFF, #F0EBF5);
}

.tfi-slide-title span {
  color: var(--purple);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.tfi-slide-title h3 {
  margin-top: 8px;
  color: var(--purple-dark);
  font-size: clamp(28px, 4vw, 46px);
}

.tfi-slide-roadmap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 54px;
}

.tfi-slide-roadmap div {
  min-width: 115px;
  padding: 15px;
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: 0 8px 22px rgba(46,36,90,.07);
}

.tfi-slide-roadmap span {
  display: block;
  margin-bottom: 10px;
  color: var(--purple-mid);
  font-size: 10px;
  font-weight: 800;
}

.tfi-slide-roadmap strong {
  color: var(--purple-dark);
  font-size: 11px;
}

.tfi-slide-roadmap b {
  color: var(--purple-mid);
}

.tfi-slide-foot {
  margin: 46px 0 0;
  color: var(--purple-dark);
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 1040px) {
  .tfi-includes-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .tfi-orbit {
    width: 310px;
  }

  .tfi-orbit-node {
    width: 84px;
    height: 84px;
    padding: 8px;
  }

  .tfi-orbit-center {
    width: 94px;
    height: 94px;
  }

  .tfi-slide {
    min-height: auto;
    padding: 28px 22px;
  }

  .tfi-slide-roadmap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 30px;
  }

  .tfi-slide-roadmap b {
    display: none;
  }
}

@media (max-width: 520px) {
  .tfi-includes-grid { grid-template-columns: 1fr; }
}